Boolean expressions are mathematical equations that are used to represent logic in digital circuits.
These expressions are made up of Boolean operators such as AND, OR, and NOT, and are used to determine how digital circuits should behave in response to various inputs.
It is important for Boolean expressions to be minimized in the design of digital circuits for several reasons. First, minimizing these expressions can reduce the complexity of the circuit, making it easier to design and maintain. This is because smaller expressions require fewer components and are less likely to result in errors.
Additionally, minimizing Boolean expressions can improve the efficiency and speed of the circuit. This is because smaller expressions require less processing power to execute, which can reduce the overall time it takes for the circuit to respond to inputs.
Overall, minimizing Boolean expressions is an important part of designing efficient and effective digital circuits. By reducing complexity and improving efficiency, circuits can perform more reliably and efficiently, which is essential for many applications.
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Calculate 6 ÷ (2-3)³
Answer:
-6
Step-by-step explanation:
How can you drop two eggs the fewest amount of times, without them breaking?
Answer:
Possible
Step-by-step explanation:
This is done on any floor, the highest or the lowest. Simply drop the egg from one inch above your foot and it will not break. every answer above is wrong. The only way, having 2 eggs, is to starts from the 2º floor.
A weighing boat was weighed on analytical balance by first taring the balance and then weighing the boat to give a reading of 0.5132 g. A quantity of sodium chloride was placed in the weighing boat and then reweighed to give a reading of 1.7563 g. The sodium chloride was quantitatively transferred to a 100 mL volumetric flask and made up to the mark with water. Report the concentration and uncertainty in g/L for the resulting sodium chloride solution. Concentration =
The concentration of the resulting sodium chloride solution is 12.431 g/L (or 12.4 g/L when rounded to one decimal place).
To calculate the concentration, we first need to determine the mass of sodium chloride in the solution. The mass of the weighing boat was found to be 0.5132 g. After adding sodium chloride, the combined mass of the weighing boat and sodium chloride was measured to be 1.7563 g. Therefore, the mass of sodium chloride in the solution is the difference between these two measurements:
Mass of sodium chloride = 1.7563 g - 0.5132 g = 1.2431 g
Next, we need to convert this mass to grams per liter (g/L). The solution was prepared in a 100 mL volumetric flask, which means the concentration needs to be expressed in terms of grams per 100 mL. To convert to grams per liter, we can use the following conversion factor:
1 g/L = 10 g/100 mL
Applying this conversion, we find:
Concentration of sodium chloride = (1.2431 g / 100 mL) * (10 g / 1 L) = 12.431 g/L
Rounding to one decimal place, the concentration of the resulting sodium chloride solution is 12.4 g/L.
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Find the slope of the lines
Answer:
m= 2/3
Step-by-step explanation:
slope = rise/run
How many times will the following loop execute?
int x = 0;
do {
x++;
cout << x << endl;
}while(x < 5)
Answers:
a. - 5 times
b. - 4 times
c. - It doesn't
d. - Infinite times
e. - 6 times
Answer:
Step-by-step explanation:
The loop will run an infinite number of times
Consider the curve in R2 defined by the parametric equations x=t^2,y=−1/4t t>0. (a) Determine the points on the curve, if there are any, at which the tangent line is parallel to the line y=x. (Hint: Vectors parallel to y=x are ones whose components are equal.) (b) Determine the points on the curve at which it intersects the hyperbola xy=1.
(a) The curve defined by the parametric equations x = t^2, y = -1/4t (t > 0) represents a parabolic trajectory, the point of intersection between the curve and the hyperbola is (4∛2, -1/(4∛2)).
To find the points on the curve where the tangent line is parallel to the line y = x, we need to determine when the slope of the tangent line is equal to 1.
The slope of the tangent line is given by dy/dx. Using the chain rule, we can calculate dy/dt and dx/dt as follows:
dy/dt = d/dt(-1/4t) = -1/4
dx/dt = d/dt(\(t^2\)) = 2t
To find when the slope is equal to 1, we equate dy/dt and dx/dt:
-1/4 = 2t
t = -1/8
However, since t > 0 in this case, there are no points on the curve where the tangent line is parallel to y = x.
(b) To determine the points on the curve where it intersects the hyperbola xy = 1, we can substitute the parametric equations into the equation of the hyperbola:
\((t^2)(-1/4t) = 1 \\-1/4t^3 = 1\\t^3 = -4\\\)
Taking the cube root of both sides, we find that t = -∛4. Substituting this value back into the parametric equations, we get:
x = (-∛4)^2 = 4∛2
y = -1/(4∛2)
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Zach needs a new pair of running shoes.The pair that he wants regularly sells for $129.If they are on sale for 24% off,how much will he pay in total if sales tax is 6.4%?
Answer:
$104.31
Step-by-step explanation:
First let's calculate the sale price of the shoes. If they are 24% off, that means they will be worth 76% of the initial price. So, we can multiply 76% by 129 to find the sale price:
129 * 0.76 = 98.04
The sale price is $98.04. To find the value of the sales tax, multiply the sale price by the percentage of the sales tax:
98.04 * 0.064 = 6.27456
The sales tax rounds to 6.27. Finally, to find the total price, add the value of the sales tax to the sale price:
98.04 + 6.27 = 104.31
The total price Zach will pay is $104.31.
Hope this helps :)
the radius of a right circular cone is increasing at a rate of 1.8 in/s while its height is decreasing at a rate of 2.6 in/s. at what rate is the volume of the cone changing when the radius is 150 in. and the height is 128 in.? incorrect: your answer is incorrect. in3/s
The volume of the cone is changing at a rate of approximately -3368.49 cubic inches per second. The negative sign indicates that the volume is decreasing.
To find the rate at which the volume of the cone is changing, we need to use related rates and the formula for the volume of a cone, which is V = (1/3)πr²h, where V is the volume, r is the radius, and h is the height.
Given that the radius is increasing at a rate of 1.8 in/s (dr/dt = 1.8) and the height is decreasing at a rate of 2.6 in/s (dh/dt = -2.6), we need to find dV/dt when r = 150 in and h = 128 in.
First, differentiate the volume formula with respect to time (t):
dV/dt = d(1/3πr²h)/dt
Apply the product rule and chain rule:
dV/dt = (1/3)π[2rh(dr/dt) + r²(dh/dt)]
Now, substitute the given values:
dV/dt = (1/3)π[2(150)(128)(1.8) + (150)²(-2.6)]
Perform the calculations:
dV/dt ≈ (1/3)π[55296 - 58500]
dV/dt ≈ (1/3)π[-3204]
dV/dt ≈ -3368.49 in³/s
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find three consecutive integers such that four times the sum of all three is two times the product of the larger two
The two sets of three consecutive integers that meet the criteria, after the calculations are (-1, 0, 1) and (4, 5, 6).
To find three consecutive integers such that four times the sum of all three is two times the product of the larger two, follow these steps:
1. Let the three consecutive integers be x, x+1, and x+2.
2. According to the problem, 4 times the sum of these integers is equal to 2 times the product of the larger two. So, we can write the equation: 4(x + (x+1) + (x+2)) = 2((x+1)(x+2)).
3. Simplify the equation: 4(3x + 3) = 2(x^2 + 3x + 2).
4. Expand the equation: 12x + 12 = 2x^2 + 6x + 4.
5. Move all terms to one side of the equation to form a quadratic equation: 2x^2 - 6x - 8 = 0.
6. Factor the equation: 2(x^2 - 3x - 4) = 0.
7. Solve the quadratic equation: (x-4)(x+1) = 0.
8. Find the integer solutions: x = 4 or x = -1.
So, the two sets of three consecutive integers that meet the criteria are (-1, 0, 1) and (4, 5, 6).
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A trucker buys crates of apples and pears to sell at a Farmer's Market. The apples cost $6 per crate and the pears cost $5.50 per crate. Each crate weights 25 pounds. If the truck can carry 5000 pounds and the trucker has $1180 to spend, how many crates of each kind of fruit can he buy? Write your answer as an ordered pair (x,y).
Answer:
He can buy 160 crates of apples and 40 crates of pears. (160, 40).
Step-by-step explanation:
From the information given, you can write the following equations:
25x+25y=5000 (1)
6x+5.50y=1180 (2), where:
x is the number of crates of apples
y is the number of crates of pears
First, you can solve for x in (1):
25x=5000-25y
x=(5000/25)-(25y/25)
x=200-y (3)
Then, you can replace (3) in (2) and solve for y:
6(200-y)+5.50y=1180
1200-6y+5.50y=1180
1200-1180=6y-5.50y
20=0.5y
y=20/0.5
y=40
Finally, you can replace the value of y in (3) to find the value of x:
x=200-y
x=200-40
x=160
According to this, the answer is that he can buy 160 crates of apples and 40 crates of pears. (160, 40).
What is the solution to the equation x − 15 = − 5?
75
20
− 20
− 75
Answer:
x=10
Step-by-step explanation:
Given x-15=-5
add both sides by 15
x-15+15=-5+15
x=10
find the distaance between the points (-5,7) and (-5,2)
Answer: The distance between these two points is 5.
Step-by-step explanation:
Yay! Love doing distance formula questions!
Okay, so first off, the distance formula goes as follows:
d = \(\sqrt(x^{2} - x^1)^2 + (y^{2}-y^1)^2\)
Basically you just plug in your coordinates to the formula.
Step 1:
\(\sqrt(-5 + 5)^{2} + (2-7)^{2}\)
Step 2: Distribute the exponent to both parenthesis to get \(\sqrt{25}\).
Step 3: Factor the number, which would result in \(\sqrt{5^2}\).
As a result of this, your answer would be 5.
Instructions: Complete the following proof by dragging and
dropping the correct reason into the space provided.
Given: m/1 = m/3
Prove M/1 =M/3
m<EBA = m<DBC because the triangle has the same angle measures
How to prove the statementTo prove that m<EBA = m<DBC, we need to know the following;
Adjacent angles are equalCorresponding angles are equalAn obtuse angle is usually more than 180 degreesAngles at a point is 360 degreesFrom the information given, we have that;
m<1 = m<3
Then, we can say that m<EBA = m<DBC because the triangle has the same angle measures
Triangle EDB is an isosceles triangle such that two of its sides and angles are equal
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cuál es el Angulo de 68 grados y como se llama
Answer:
se llama agudo el ángulo de 80 grados
Find a and b such that f is differentiable everywhere. f ( x ) = { a x 3 , x ≤ 4 x 2 + b , x > 4 a = b =
The function f(x) = { (1/16)x³, x ≤ 4; x² + 4, x > 4 } is differentiable everywhere, since it is continuous and has a well-defined derivative at every point and the value of a is 1/16 and b is 4
Now, let's consider the function f(x) given by f(x) = { ax^3, x ≤ 4; x^2 + b, x > 4 }. We are asked to find values for a and b such that the function is differentiable everywhere.
Returning to our function f(x), we need to find values for a and b such that the left and right limits of f(x) at x = 4 are equal and are equal to the value of f(x) at x = 4.
The left limit of f(x) at x = 4 is given by:
lim (x → 4-) f(x) = lim (x → 4-) (ax³) = 64a
The right limit of f(x) at x = 4 is given by:
lim (x → 4+) f(x) = lim (x → 4+) (x² + b) = 16 + b
The value of f(x) at x = 4 is given by:
f(4) = 64a = 16 + b
To make the left and right limits equal, we must have:
64a = 16 + b
To make the function continuous at x = 4, we must have:
64a = 16 + b = f(4)
Solving for a and b, we get:
a = 1/16
b = 4
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1. The width of a rectangle is ten meters less than the length. The perimeter is 216 meters,
Find the length and width
Answer: Width = 49meters; Length = 59meters
Step-by-step explanation:
Let the width be represented by x
The length will be (x+10)
Perimeter = 2(length+breadth)
Perimeter= 2(x + x + 10)
Perimeter = 2(2x + 10)
216 = 4x + 20
4x = 216 -20
4x = 196
x = 196/4
x = 49
Width = 49meters
Length = x+10
Length = 49 + 10
Length = 59meters
the following table provides a probability distribution for the random variable . 2 0.20 4 0.30 7 0.40 9 0.10 a. compute (to 1 decimal). b. compute and (to 2 decimals).
The value of Expected value, variance, and standard deviation of y of given probability distribution is 6.4, 9.76 and 3.12 respectively.
To compute the expected value of y, denoted E(y), we use the formula:
E(y) = Σ [y × f(y)]
Using the given probability distribution, we have:
E(y) = (2 × 0.20) + (4 × 0.30) + (7 × 0.40) + (8 × 0.10) = 1.6 + 1.2 + 2.8 + 0.8 = 6.4
Therefore, the expected value of y is 6.4, rounded to 1 decimal place.
To compute the variance of y, denoted Var(y), we use the formula:
Var(y) = E(y^2) - [E(y)]^2
where E(y) is the expected value of y, and E(y^2) is the expected value of y squared. To find E(y^2), we use the formula:
E(y^2) = Σ [y^2 × f(y)]
Using the given probability distribution:
E(y^2) = (2^2 × 0.20) + (4^2 × 0.30) + (7^2 × 0.40) + (8^2 × 0.10) = 1.6 + 3.6 + 19.6 + 6.4 = 31.2
Substituting this and the previously calculated E(y) into the formula for Var(y), we get:
Var(y) = E(y^2) - [E(y)]^2 = 31.2 - 6.4^2 = 31.2 - 40.96 = 9.76
Therefore, the variance of y is 9.76, rounded to 2 decimal places.
we take the square root of the variance to find the standard deviation:
σ = √Var(y) = √9.76 = 3.12
Therefore, the standard deviation of y is 3.12, rounded to 2 decimal places.
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____The given question is incomplete, the complete question is given below:
The following table provides a probability distribution for the random variable y 2 4 7 f(u) 0.20 0.30 0.40 0.10 8 a. Compute E(y) (to 1 decimal). 5.2 b. Compute Var(y) and ơ (to 2 decimals). Var(y)
In a group there are 2 girls and 4 boys. What fraction of the group is girls?
2/5
216
3/6
4/6
Answer:
4/6
Step-by-step explanation:
How long will it take an airplane to travel 1,250 km if it is traveling at 150 km/hr ?
Answer:
\(\boxed{Time = 8.33 hrs}\)
Step-by-step explanation:
Given:
Distance = S = 1250 km
Speed = v = 150 km/hr
Required:
Time = t = ? hrs
Formula:
Speed = Distance / Time
Solution:
Rearranging the formula
=> Time = Distance / Speed
=> Time = 1250/150
=> Time = 8.33 hrs
Two small metal spheres are 35. 1 cm apart. The spheres have equal amounts of negative charge and repel each other with forces of magnitude 0. 0360 n. What is the charge on each sphere?
Two small metal spheres are 35. 1 cm apart. The spheres have equal amounts of negative charge and repel each other with forces of magnitude 0. 0360 n. The charge on each sphere \(Q = 1.4 \times 10^{-12}\) c.
What is coulombs law?According to coulombs law force between two charges is given by
\(F = \dfrac{1}{4\pi \epsilon }\dfrac{Qq}{r^2}\)
Here, R is the distance between both the charges Q and q.
Two small metal spheres are 35. 1 cm apart.
The spheres have equal amounts of negative charge and repel each other with forces of magnitude 0. 0360 n.
We have given force F =0.036 N
R is the distance between both the charges which is given as 25 cm
So
\(F = \dfrac{1}{4\pi \epsilon }\dfrac{Qq}{r^2}\)
\(0.036 = \dfrac{1}{4\times 3.14\times 8.85\times 10^{-12} }(\dfrac{Q^2}{35. 1})\)
\(Q = 1.4 \times 10^{-12}\) c
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a bag contains only red and green counters. in total bag contains 48 counters, of which 20 are red. write, as a ratio, the number of red counters to the number of green counters. give your answering its simplest form.
Total number of Counters = 48
Red Counters = 20
green counters = 48 - 20
⠀⠀⠀⠀⠀⠀⠀⠀⠀= 28 .
Ratio of Red counters to that the number of green counters = 20 : 28
= 20/28
\( = \huge \frac{20}{28} \)
The ratio of the number of red counters to the number of green counters will be 5/7.
What is the ratio?The utilization of two or more additional numbers that compares is known as the ratio.
A bag contains only red and green counters. A total bag contains 48 counters, of which 20 are red.
The number of green counters is calculated as,
⇒ 48 - 20
⇒ 28
The ratio of the number of red counters to the number of green counters is calculated as,
Ratio = 20 / 28
Ratio = 5/7
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the HCF 12, 24 and 36
Answer:
HCF of 12, 24 and 36 by Euclidean Algorithm
As per the Euclidean Algorithm, HCF(X, Y) = HCF(Y, X mod Y)
where X > Y and mod is the modulo operator.
HCF(12, 24, 36) = HCF(HCF(12, 24), 36)
Steps for HCF(12, 24):
HCF(24, 12) = HCF(12, 24 mod 12) = HCF(12, 0)
HCF(12, 0) = 12 (∵ HCF(X, 0) = |X|, where X ≠ 0)
⇒ HCF(12, 24) = 12
⇒ HCF(HCF(12, 24), 36) = HCF(12, 36)
Steps for HCF(12, 36):
HCF(36, 12) = HCF(12, 36 mod 12) = HCF(12, 0)
HCF(12, 0) = 12 (∵ HCF(X, 0) = |X|, where X ≠ 0)
⇒ HCF(12, 36) = 12
Therefore, the value of HCF of 12, 24, and 36 is 12.
Step-by-step explanation:
factors of 12=1,2,3,4,6,12
factors of 24=1,2,3,4,6,8,12,24
factors of 36=1,2,3,4,6,9,12,18,36
common factors =1,2,3,4,6,12
Therefore factors of 12,24,36=12
Suppose that we want to prove that 1/2 · 3/4 ··· 2n-1/2n < 1/√3n for all positive integers n. a) Show that if we try to prove this inequality using mathematical induction, the basis step works, but the inductive step fails. b) Show that mathematical induction can be used to prove the stronger inequality 1/2 · 3/4 ··· 2n-1/2n < 1/√3n+1 for all integers greater than 1, which, together with a verification for the case where n = 1, establishes the weaker inequality we originally tried to prove using mathematical induction.
The weaker inequality 1/2 · 3/4 ··· 2n-1/2n < 1/√(3n) holds for all positive integers n, but using mathematical induction, the basis step works, although the inductive step fails.
a) If we try to prove the inequality 1/2 · 3/4 ··· 2n-1/2n < 1/√(3n) using mathematical induction, we can see that the basis step works. When n = 1, we have 1/2 < 1/√3, which is true.
Now, let's consider the inductive step. Assuming that the inequality holds for some positive integer k, we need to show that it also holds for k+1, i.e., we assume 1/2 · 3/4 ··· 2k-1/2k < 1/√(3k) and we want to prove 1/2 · 3/4 ··· 2k-1/2k · (2k+1)/(2k+2) < 1/√(3k+3).
If we attempt to manipulate the expression, we can simplify it to (2k+1)/(2k+2) < 1/√(3k+3). However, we cannot proceed further to prove this inequality, as it is not necessarily true. Therefore, the inductive step fails, and we cannot establish the original inequality using mathematical induction.
b) However, mathematical induction can still be used to prove the stronger inequality 1/2 · 3/4 ··· 2n-1/2n < 1/√(3n+1) for all integers greater than 1. We can start by verifying the case where n = 1, which gives us 1/2 < 1/√4, which is true.
Now, assuming the inequality holds for some integer k, we can multiply both sides of the inequality by (2k+3)/(2k+2) to get:
(1/2 · 3/4 ··· 2k-1/2k) · (2k+3)/(2k+2) < 1/√(3k+1) · (2k+3)/(2k+2).
Simplifying the expression on both sides, we have:
(2k+3)/(2k+2) < 1/√(3k+1) · (2k+3)/(2k+2).
We can observe that the right side of the inequality is less than 1/√(3k+3) by multiplying the denominator of the right side by (2k+3)/(2k+3). Hence, we obtain:
(2k+3)/(2k+2) < 1/√(3k+3).
This establishes the inequality for k+1, and thus, we have proven the stronger inequality using mathematical induction.
By verifying the case where n = 1 separately, we can conclude that the weaker inequality 1/2 · 3/4 ··· 2n-1/2n < 1/√(3n) holds for all positive integers n, as it follows from the proven stronger inequality using mathematical induction.
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Differentiate The Following Function. Simplify Your Answer As Much As Possible. Show All Steps F(X)=√(3x²X³)5
Differentiating the given function using the chain rule
We get: \(df(x)/dx = 5x^{(6/2) (1 + 3x)} / 3x^{(5/2))\)
\(df(x)/dx = 5x^3 (1 + 3x) / 3 \sqrt x^5)\)
The chain rule is a fundamental concept in calculus that allows us to differentiate composite functions.
It provides a way to calculate the derivative of a function that is formed by the composition of two or more functions.
Therefore, the differentiation of the function F(x) = √(3x²x³)5 is equal to 5x³ (1 + 3x) / 3√(x⁵).
We need to differentiate the following function:
F(x) = √(3x²x³)5
Differentiating the above function using the chain rule
we get, df(x)/dx = 5/2 × (3x²x³)⁻¹/² × [2x³ + 3x²(2x)]
df(x)/dx = 5/2 × (3x⁵)⁻¹/² × [2x³ + 6x⁴]
df(x)/dx = 5/2 × (1/3x⁵/2) × 2x³ (1 + 3x)
df(x)/dx = 5x³(1 + 3x) / (3x⁵/2)
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Find the length of the unknown sides
Answer:
5.4
Step-by-step explanation:
5^2+2^2=x^2
25+4+x^2
29=x^2
square root of 29 and 2
5.385 rounded to 5.4
Mrs. Webster wants to divide 6 pints into 1/3 pints servings. How many servings are possible
Answer:
18 servings
Step-by-step explanation:
6*3=18
i need help please asap
Answer:
4$ per minute. You make 20 dollars in 5 minutes so 20 divided by 5 is 4.
It costs $2.80 to make a sandwich at the local deli shop. To make a profit, the deli sells it at a price that is 170% of the cost. The sandwich sells for $___. (Make sure to enter the answer as a decimal number only. Do not enter special characters such as the dollar symbol.)
Answer:
$4.76
Step-by-step explanation:
It costs $2.80 to make a sandwich at the local deli shop and the deli sells it at a price that is 170% of the cost.
We have to find 170% of the cost of making each sandwich ($2.80):
170/100 * 2.80 = $4.76
The sandwich sells for $4.76
Answer:
ben
Step-by-step explanation:
PLS HELP ME WITH THIS ASAPP
The value of the function f(x) at x = 1.477.
f(1.477) = 32.857
The value of the function g(x) at x = 20.
g(20) = 1.729
We have,
Two functions:
f(x) = b^x
g(x) = log_b(x)
Now,
From the table,
f(0.699) = b^0.699 = 5
Taking the logarithm of both sides with base b.
log_b(5) = 0.699
b = 5^(1/0.699)
b = 8.343
Now, we can find the value of f(1.477).
f(1.477) = b^1.477 = 8.343^1.477 = 32.857
Similarly, we can find the value of g(20).
g(20) = log_b(20) = log_8.343(20) = 1.729
Thus,
The value of the function f(x) at x = 1.477.
f(1.477) = 32.857
The value of the function g(x) at x = 20.
g(20) = 1.729
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Find the value of x-
1250=1/2×50×(2x+3x)
The value of x in the expression is 10
How to find x?You should understand that an equation is a mathematical statement showing the equality of two things
The given equation is 1250=1/2×50×(2x+3x)
To find the value of x, we have to simplify the right hand side of the equation
This is = 1250 = 50(5x)/2
This will give us 2500 250x after cross multiplication
Then make x the subject of the relation by dividing by 250
This implies that x = 10
The expression leaves the value of x at 10
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